Sena S. De Silva
P. S. Meadows
Dan Egan
James A. McCann
Cassie Mayer
George Kell Reid
Christer Brönmark
J. F. LaBounty
Millicent E. Selsam
Patrick J. S. Boaden
Philip W. Manson
Brajaratana Jośī
Alessandra Cannas
Unknown Author
Rolf Wittwer
R. J. H. Beverton
Vermont. Water Quality Division
John P. Rafferty
Anthony Wootton
L. J. Selley